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spp softthresholding in mmx 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11995 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2004-02-24 13:28:42 +00:00
parent 694395d7bf
commit 52f9770899
1 changed files with 77 additions and 1 deletions
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78
libmpcodecs/vf_spp.c
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@ -218,6 +218,82 @@ static void hardthresh_mmx(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *pe
);
dst[0]= (src[0] + 4)>>3;
}
static void softthresh_mmx(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
int bias= 0; //FIXME
unsigned int threshold1;
threshold1= qp*((1<<4) - bias) - 1;
asm volatile(
#undef REQUANT_CORE
#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
"movq " #src0 ", %%mm0 \n\t"\
"movq " #src1 ", %%mm1 \n\t"\
"pxor %%mm6, %%mm6 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"pcmpgtw %%mm0, %%mm6 \n\t"\
"pcmpgtw %%mm1, %%mm7 \n\t"\
"pxor %%mm6, %%mm0 \n\t"\
"pxor %%mm7, %%mm1 \n\t"\
"psubusw %%mm4, %%mm0 \n\t"\
"psubusw %%mm4, %%mm1 \n\t"\
"pxor %%mm6, %%mm0 \n\t"\
"pxor %%mm7, %%mm1 \n\t"\
"movq " #src2 ", %%mm2 \n\t"\
"movq " #src3 ", %%mm3 \n\t"\
"pxor %%mm6, %%mm6 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"pcmpgtw %%mm2, %%mm6 \n\t"\
"pcmpgtw %%mm3, %%mm7 \n\t"\
"pxor %%mm6, %%mm2 \n\t"\
"pxor %%mm7, %%mm3 \n\t"\
"psubusw %%mm4, %%mm2 \n\t"\
"psubusw %%mm4, %%mm3 \n\t"\
"pxor %%mm6, %%mm2 \n\t"\
"pxor %%mm7, %%mm3 \n\t"\
\
"paddsw %%mm5, %%mm0 \n\t"\
"paddsw %%mm5, %%mm1 \n\t"\
"paddsw %%mm5, %%mm2 \n\t"\
"paddsw %%mm5, %%mm3 \n\t"\
"psraw $3, %%mm0 \n\t"\
"psraw $3, %%mm1 \n\t"\
"psraw $3, %%mm2 \n\t"\
"psraw $3, %%mm3 \n\t"\
\
"movq %%mm0, %%mm7 \n\t"\
"punpcklwd %%mm2, %%mm0 \n\t" /*A*/\
"punpckhwd %%mm2, %%mm7 \n\t" /*C*/\
"movq %%mm1, %%mm2 \n\t"\
"punpcklwd %%mm3, %%mm1 \n\t" /*B*/\
"punpckhwd %%mm3, %%mm2 \n\t" /*D*/\
"movq %%mm0, %%mm3 \n\t"\
"punpcklwd %%mm1, %%mm0 \n\t" /*A*/\
"punpckhwd %%mm7, %%mm3 \n\t" /*C*/\
"punpcklwd %%mm1, %%mm7 \n\t" /*B*/\
"punpckhwd %%mm2, %%mm1 \n\t" /*D*/\
\
"movq %%mm0, " #dst0 " \n\t"\
"movq %%mm7, " #dst1 " \n\t"\
"movq %%mm3, " #dst2 " \n\t"\
"movq %%mm1, " #dst3 " \n\t"
"movd %2, %%mm4 \n\t"
"movd %3, %%mm5 \n\t"
"packssdw %%mm4, %%mm4 \n\t"
"packssdw %%mm5, %%mm5 \n\t"
"packssdw %%mm4, %%mm4 \n\t"
"packssdw %%mm5, %%mm5 \n\t"
REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
: : "r" (src), "r" (dst), "g" (threshold1), "rm" (4) //FIXME maybe more accurate then needed?
);
dst[0]= (src[0] + 4)>>3;
}
#endif
static inline void add_block(int16_t *dst, int stride, DCTELEM block[64]){
@ -516,7 +592,7 @@ static int open(vf_instance_t *vf, char* args){
store_slice= store_slice_mmx;
switch(vf->priv->mode){
case 0: requantize= hardthresh_mmx; break;
//case 1: requantize= softthresh_mmx; break;
case 1: requantize= softthresh_mmx; break;
}
}
#endif